TECHNICAL DATA SHEET
LAB 850
February 19, Version 01 /2021
1
TECHNICAL DATA SHEET
LAB 850
February 19, Version 01 /2021
1
TECHNICAL DATA SHEET
LAB 850
POLYURETHANE TOOLING BOARD
METAL FORMING – PATTERNS – FOUNDRY
DESCRIPTION
Abrasion resistant machining board designed for foundry patterns, core boxes and any other tools made by
CNC.
Dense fine surface
Easy to seal and good to varnish
Low dust formation when milled
Very good abrasion resitance
High dimensional stability
Good compressive strength and edge stability
Easy machinability
Outstanding inpact resistance
APPLICATIONS
Checking fixtures
Holding fixtures
Temporary models
Vacuum forming molds
Headliner tools
Low-volume foundry patterns
PHYSICAL PROPERTIES
Property Test method Unit(s) Value
Color Red
Density at 74 F (23 C) ISO 2781 : 1996 lbs/ft
3
(g/cc) 74 (1.18)
Hardness (77 F/176 F: 25 C/80 C) ISO 868 :2003 Shore D 80 / 55
Flexural strength ISO 178 :2001 psi (MPa) 8,300 (57)
Flexural modulus ISO 178 :2001 psi (MPa) 203,000 (1,400)
Tensile strength ISO 527 :1993 psi (MPa) 8,300 (35)
Elongation ISO 527 :1993 % 35
Compressive strength ISO 604 :2002 psi (MPa) 5,900 (41)
Impact strength (CHARPY) Unnotched
specimens
ISO 179/1eU :1994 ft.Lbf/in
2
(kJ/m
2
) 34 (72)
Glass transition temperature (Tg) ISO 11359 : 2002 F ( C) 176 (80)
Coefficient of thermal expansion (CTE)
50 140 F (10 – 60 C)
ISO 11359 : 1999 ppm/ F ( C) 53 (95)
Abrasion loss ISO 5470- 1 : 1999 in
3
(mm
3
) 0.006 (93)
TECHNICAL DATA SHEET
LAB 850
February 19, Version 01 /2021
2
ASSEMBLY / FINISH
LAB 850 board can be bonded with adhesive system – TCC230 Epoxy with TCC-102 or TCC-104 Hardeners
Fast Patch Paste – TCC-5220 A/B Fast Patch
HANDLING PRECAUTIONS
Normal health and safety precautions should be observed when handling these products:
Ensure good ventilation.
Wear gloves, glasses and protective clothes.
Do not smoke when machining.
For further information, please consult the Safety Data Sheets.
TECHNICAL DATA SHEET
LAB 850
February 19, Version 01 /2021
3
STORAGE CONDITIONS
Store flat in a dry place. Allow time for material to come to ambient temperature prior to
bonding or machining.
PACKAGING
Packaging information on request, please contact your local sales representative or find your
local contact on www.sikaadvancedresins.us
LEGAL NOTICE
The information, and, in particular, the recommendations relating to the application and
end-use of Sika products, are given in good faith based on Sika s current knowledge and
experience of the products when properly stored, handled and applied under normal
conditions in accordance with Sika s recommendations. In practice, the differences in
materials, substrates and actual site conditions are such that no warranty in respect of
merchantability or of fitness for a particular purpose, nor any liability arising out of any legal
relationship whatsoever, can be inferred either from this information, or from any written
recommendations, or from any other advice offered. The user of the product must test the
product s suitability for the intended application and purpose. Sika reserves the right to
change the properties of its products. The proprietary rights of third parties must be
observed. All orders are accepted subject to our current terms of sale and delivery. Users
must always refer to the most recent issue of the local Product Data Sheet for the product
concerned, copies of which will be supplied on request.
CONTACT
UNITED STATES
Sika Corporation
30800 Stephenson Highway
Madison Heights, Michigan 48071 USA
Tel.: (+1) 248 588- 2270
Fax: (+1) 248 577-0810
E-mail: advanced.resins@us.sika.com
Website: www.sikaadvancedresins.us